| Class | Subclass | Patent |
| 720 | 626 | 07921434 |
| 659 | 07921435 | |
| 07921436 | ||
| 669 | 07921437 | |
| 707 | 07921438 | |
| 728 | 07921439 | |
| 725 | 28 | 07921440 |
| 42 | 07921441 | |
| 76 | 07921442 | |
| 80 | 07921443 | |
| 86 | 07921444 | |
| 88 | 07921445 | |
| 94 | 07921446 | |
| 95 | 07921447 | |
| 07921448 | ||
| 142 | 07921449 | |
| 726 | 1 | 07921450 |
| 07921451 | ||
| 07921452 | ||
| 4 | 07921453 | |
| 5 | 07921454 | |
| 9 | 07921455 | |
| 10 | 07921456 | |
| 12 | 07921457 | |
| 15 | 07921458 | |
| 22 | 07921459 | |
| 07921460 | ||
| 23 | 07921461 | |
| 07921462 | ||
| 26 | 07921463 | |
| 27 | 07921464 |